sharee.bike-App/Meinkonrad/TINK/View/Contact/ContactPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
            xmlns:conv="clr-namespace:TINK.View"
            xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
            xmlns:resources="clr-namespace:TINK.MultilingualResources;assembly=TINKLib"
            x:Class="TINK.View.Contact.ContactPage"
			 BackgroundColor="{DynamicResource background-color}">
	
    <Shell.TitleView>
        <Grid ColumnDefinitions="Auto, 1*">
            <Image Style="{StaticResource Image-Navbar}"/>
            <Label Style="{StaticResource Label-Navbar}"
                   Text="{x:Static resources:AppResources.MarkingContactPageTitle}"/>
        </Grid>
    </Shell.TitleView>
	
    <ContentPage.Resources>
        <conv:StringNotNullOrEmptyToVisibleConverter x:Key="StringNotNullOrEmpty_Converter"/>
        <conv:BoolInverterConverter x:Key="BoolInvert_Converter"/>
    </ContentPage.Resources>

	<ContentPage.Content>

		<Grid
			x:Name="ContactPageView"
			RowSpacing="0"
			RowDefinitions="1*,Auto">

			<!-- Contact Support -->
			<Frame
					Grid.Row="0"
					Padding="10"
					Margin="0,10,0,5"
					HorizontalOptions="FillAndExpand"
					VerticalOptions="Start"
					BackgroundColor="White"
					HasShadow="False">

				<StackLayout
						Padding="20">

					<!--Title Customer Support-->
					<Label
							Text="{x:Static resources:AppResources.MarkingContactCustomerSupportTitle}"
							FontAttributes="Bold"
							FontSize="Large"
							/>

					<!--No station selected-->
					<StackLayout
							IsVisible="{Binding Path=IsOperatorInfoAvaliable, Converter={StaticResource BoolInvert_Converter}}">

						<Label
								TextType="Html"
								Text="{x:Static resources:AppResources.MarkingContactNoStationInfoAvailableNoButton}"/>

						<Button
								Text="{x:Static resources:AppResources.ActionSelectStation}"
								Command="{Binding OnSelectStationRequest}"/>

					</StackLayout>

					<!--contact customer support of selected station-->
					<StackLayout
							IsVisible="{Binding IsOperatorInfoAvaliable}">

						<!-- info about selected station -->
						<StackLayout
								Spacing="0">

							<StackLayout
									Orientation="Horizontal"
									Spacing="0">
								<Label
										Text="{x:Static resources:AppResources.MarkingLastSelectedStation}"/>
								<Label
										Text=": "/>
							</StackLayout>

							<!-- Station -->
							<StackLayout
									Orientation="Horizontal"
									Spacing="0">
								<Label
										Text="{Binding SelectedStationName}"/>
								<Label
										Text=": "/>
								<Label
										FontAttributes="Bold"
										Text="{Binding SelectedStationId}"/>
							</StackLayout>

							<!--- Operator -->
							<StackLayout
									Orientation="Horizontal"
									Spacing="0">
								<Label
										Text="{x:Static resources:AppResources.MarkingOperator}"/>
								<Label
										Text=": "/>
								<Label
										FontAttributes="Bold"
										Text="{Binding ProviderNameText}"/>
							</StackLayout>

						</StackLayout>

						<!--Buttons-->
						<StackLayout
							Spacing="5"
							Margin="0,10,0,0">

							<!--- Phone to operator -->
							<Button
								x:Name="PhoneNumberButton"
								IsVisible="{Binding PhoneNumberText, Converter={StaticResource StringNotNullOrEmpty_Converter}}"
								Text="{Binding PhoneNumberText}"
								Command="{Binding OnPhoneRequest}">
								<Button.Triggers>
									<DataTrigger TargetType="Button" Binding="{Binding IsDoPhoncallAvailable}" Value="False">
										<Setter Property="BorderColor" Value="DimGray" />
										<Setter Property="BackgroundColor" Value="DimGray" />
										<Setter Property="TextColor" Value="LightGray" />
									</DataTrigger>
								</Button.Triggers>
							</Button>

							<!--- Mail to operator -->
							<Button
								Style="{StaticResource SecondaryButton}"
								x:Name="MailAddressButton"
								IsVisible="{Binding MailAddressText, Converter={StaticResource StringNotNullOrEmpty_Converter}}"
								Text="{Binding MailAddressText}"
								Command="{Binding OnMailToOperatorRequest}">
								<Button.Triggers>
									<DataTrigger TargetType="Button" Binding="{Binding IsSendMailAvailable}" Value="False">
										<Setter Property="BorderColor" Value="DimGray" />
										<Setter Property="BackgroundColor" Value="LightGray" />
										<Setter Property="TextColor" Value="DimGray" />
									</DataTrigger>
								</Button.Triggers>
							</Button>

							<!-- Change selected Station-->
							<Button
								Style="{StaticResource NoOutlineButtonWhite}"
								Text="{x:Static resources:AppResources.ActionSelectAnotherStation}"
								Command="{Binding OnSelectStationRequest}"/>

						</StackLayout>

					</StackLayout>

				</StackLayout>

			</Frame>


			<!--- Contact app-developer -->
			<StackLayout
				Grid.Row="1"
				Padding="10"
				Margin="0,0,0,10"
				VerticalOptions="End"
				Spacing="0">

				<BoxView
					Margin="0,0,0,10"
					HeightRequest="1"
					WidthRequest="400"
					HorizontalOptions="Center"
					Color="DimGray"/>

				<Button
					x:Name="DiagnosticsButton"
					Style="{StaticResource NoOutlineButtonBackgroundColor}"
					Text="{x:Static resources:AppResources.ActionSendDiagnosis}"
					Command="{Binding OnMailToOperatorRequest}">
					<Button.Triggers>
						<DataTrigger TargetType="Button" Binding="{Binding IsSendMailAvailable}" Value="False">
							<Setter Property="TextColor" Value="DimGray" />
						</DataTrigger>
					</Button.Triggers>
				</Button>

			</StackLayout>

		</Grid>

	</ContentPage.Content>

</ContentPage>